.main-content{
    width: 1200px;
    margin: 0 auto;
}
.main-content-title{
    text-align: center;
    line-height: 60px;
    font-size: 20px;
    border-bottom: 1px solid #4f4f4f;
}
.main-content-div{
    width: 100%;
    margin: 20px auto;
}
.main-content-pic{
    display: block;
    float: left;
    width: 35%;
    margin: 0 2% 0 0;
}
.main-content-pic img{
    width: 90%;
}
.main-content-introduction{
    float: left;
    width: 63%;
    text-align: justify;
}
.main-content-introduction p{
    line-height: 30px;
    font-size: 16px;
}
/*联系方式*/
.contact{
    margin: 50px auto;
}
.contact p span{
    display: inline-block;
}
.contact p span:first-child{
    width: 10%;
}